String result;
try {
AbstractBuild<?,?> build = project.getBuild(buildId);
if(templateFile.endsWith(".jelly")) {
JellyScriptContent jellyContent = new JellyScriptContent();
jellyContent.template = templateFile;
result = jellyContent.evaluate(build, TaskListener.NULL, "JELLY_SCRIPT");
} else {
ScriptContent scriptContent = new ScriptContent();
scriptContent.template = templateFile;
result = scriptContent.evaluate(build, TaskListener.NULL, "SCRIPT");
}